Solbert, Oscar N.; Newhall, Beaumont; Card, James G., eld. (Aprilo 1953). "Vachel Lindsey on Film" (PDF). Image, Journal of Photography of George Eastman House. Rochester, N.Y.: International Museum of Photography at George Eastman House Inc. 2 (4): 23–24. Arkivita el la originalo (PDF) en 12 de marto 2013. Alirita la 26an de junio 2014.
